Electronic grand piano



FIG. 1 is a top, front perspective view of an electronic grand piano, showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for an electronic grand piano, as shown. 